.page-news {
  --pn-line: var(--paper-100);
  --pn-card: #ffffff;
  background: var(--paper-050);
  color: var(--text-900);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--sp-3);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--text-100);
  padding: var(--sp-4) 0 var(--sp-5);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -18%;
  width: min(600px, 84%);
  height: 140%;
  background: linear-gradient(150deg, var(--orange-500), rgba(255, 106, 26, 0) 68%);
  opacity: 0.26;
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -46%;
  width: min(480px, 74%);
  height: 460px;
  background: radial-gradient(circle at 34% 32%, rgba(44, 198, 224, 0.34), rgba(44, 198, 224, 0) 70%);
  pointer-events: none;
}

.page-news .news-hero .container {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  list-style: none;
  margin: 0 0 var(--sp-4);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-news .breadcrumb-item {
  color: rgba(233, 242, 246, 0.6);
}

.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: var(--sp-1);
  color: rgba(233, 242, 246, 0.35);
}

.page-news .breadcrumb-link {
  color: var(--electric-400);
  text-decoration: none;
}

.page-news .breadcrumb-link:hover,
.page-news .breadcrumb-link:focus-visible {
  color: var(--orange-300);
  text-decoration: underline;
}

.page-news .breadcrumb-item--current {
  color: var(--text-100);
}

.page-news .news-hero__grid {
  display: grid;
  gap: var(--sp-4);
}

.page-news .news-hero__eyebrow {
  display: inline-block;
  margin: 0 0 var(--sp-2);
  padding: 6px 14px;
  border: 1px solid var(--navy-600);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-300);
}

.page-news .news-hero__title {
  margin: 0 0 var(--sp-3);
  font-size: clamp(30px, 7.4vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 18ch;
}

.page-news .news-hero__text {
  margin: 0 0 var(--sp-4);
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(233, 242, 246, 0.85);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-2);
  margin: 0;
}

.page-news .hero-stat {
  padding: var(--sp-3);
  border: 1px solid var(--navy-600);
  border-radius: var(--r-md);
  background: rgba(14, 39, 64, 0.72);
}

.page-news .hero-stat__key {
  margin: 0 0 6px;
  font-size: 13px;
  color: rgba(233, 242, 246, 0.66);
}

.page-news .hero-stat__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--orange-500);
}

.page-news .hero-stat__value span {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: rgba(233, 242, 246, 0.6);
}

/* ---------- 吸附筛选条 ---------- */
.page-news .filter-bar {
  position: sticky;
  top: 72px;
  z-index: 6;
  background: rgba(245, 248, 249, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--pn-line);
}

.page-news .filter-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) 0;
}

.page-news .filter-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-news .filter-list {
  display: flex;
  flex: 1 1 auto;
  gap: var(--sp-1);
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.page-news .filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--paper-100);
  border-radius: var(--r-pill);
  background: var(--pn-card);
  color: var(--text-900);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-news .filter-pill:hover,
.page-news .filter-pill:focus-visible {
  border-color: var(--orange-500);
  color: var(--orange-500);
  transform: translateY(-2px);
}

.page-news .filter-pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-news .filter-pill__dot--orange { background: var(--orange-500); }
.page-news .filter-pill__dot--mint { background: var(--mint-400); }
.page-news .filter-pill__dot--violet { background: var(--violet-500); }
.page-news .filter-pill__dot--electric { background: var(--electric-400); }

.page-news .filter-stamp {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- 区块通用 ---------- */
.page-news .news-section {
  padding: var(--sp-5) 0;
  background: var(--paper-050);
}

.page-news .news-section--paper {
  background: var(--paper-100);
}

.page-news .news-section__head {
  display: grid;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.page-news .section__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-500);
  margin: 0 0 var(--sp-1);
}

.page-news .section__title {
  margin: 0;
  font-size: clamp(24px, 4.6vw, 40px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-900);
}

.page-news .news-section--subscribe .section__lead {
  color: rgba(233, 242, 246, 0.8);
}

.page-news .section__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-news .news-section__foot {
  margin: var(--sp-4) 0 0;
}

/* ---------- 时间线 ---------- */
.page-news .timeline {
  display: grid;
  gap: var(--sp-2);
}

.page-news .tl-row {
  display: grid;
  gap: var(--sp-2);
  padding: var(--sp-3);
  background: var(--pn-card);
  border: 1px solid var(--pn-line);
  border-radius: var(--r-md);
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.page-news .tl-row:hover,
.page-news .tl-row:focus-within {
  transform: translateY(-3px);
  border-color: var(--orange-500);
  box-shadow: var(--shadow-card);
}

.page-news .tl-date {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
}

.page-news .tl-date__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-500);
  letter-spacing: 0.02em;
}

.page-news .tl-date__tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange-500);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, 0.14);
  flex: 0 0 auto;
}

.page-news .tl-date__note {
  font-size: 12px;
  color: var(--text-muted);
  padding-left: 16px;
}

.page-news .tl-row__body {
  display: grid;
  gap: var(--sp-2);
  min-width: 0;
}

.page-news .tl-row__text {
  min-width: 0;
}

.page-news .tl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-bottom: var(--sp-2);
}

.page-news .tl-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-900);
}

.page-news .tl-sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 48ch;
}

.page-news .tl-more {
  margin-top: var(--sp-2);
  max-height: 12em;
  opacity: 1;
  overflow: hidden;
  transition: max-height 0.32s var(--ease), opacity 0.32s var(--ease), margin-top 0.32s var(--ease);
}

.page-news .tl-more p {
  margin: 0;
  padding: var(--sp-2) 0 0;
  border-top: 1px dashed var(--paper-100);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 48ch;
}

.page-news .tl-media {
  margin: 0;
}

.page-news .tl-media--thumb {
  max-width: 340px;
}

.page-news .tl-row--feat .tl-media {
  max-width: 100%;
}

/* ---------- 专栏系列 ---------- */
.page-news .series-layout {
  display: grid;
  gap: var(--sp-3);
}

.page-news .series-media {
  margin: 0;
}

.page-news .series-grid {
  display: grid;
  gap: var(--sp-2);
}

.page-news .series-card {
  padding: var(--sp-3);
  background: var(--pn-card);
  border: 1px solid var(--pn-line);
  border-left: 3px solid var(--violet-500);
  border-radius: var(--r-sm);
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease), border-left-color 0.26s var(--ease);
}

.page-news .series-card:hover,
.page-news .series-card:focus-within {
  transform: translateY(-3px);
  border-left-color: var(--orange-500);
  box-shadow: var(--shadow-card);
}

.page-news .series-card__no {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet-500);
}

.page-news .series-card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-900);
}

.page-news .series-card__text {
  margin: 0 0 var(--sp-2);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .series-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- 榜单 ---------- */
.page-news .board-layout {
  display: grid;
  gap: var(--sp-3);
}

.page-news .board-media {
  margin: 0;
}

.page-news .board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-1);
}

.page-news .board-item {
  display: grid;
  gap: 6px;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .board-item__title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-900);
}

.page-news .board-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-news .board-item__num {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--electric-400);
  letter-spacing: 0.02em;
}

/* ---------- 订阅 ---------- */
.page-news .news-section--subscribe {
  background: var(--paper-050);
}

.page-news .subscribe-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-3);
  background: var(--navy-800);
  border-radius: var(--r-lg);
  color: var(--text-100);
}

.page-news .subscribe-card::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -30%;
  width: min(360px, 70%);
  height: 300px;
  background: radial-gradient(circle at 40% 40%, rgba(63, 217, 168, 0.24), rgba(63, 217, 168, 0) 70%);
  pointer-events: none;
}

.page-news .subscribe-copy {
  position: relative;
  z-index: 1;
}

.page-news .subscribe-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mint-400);
}

.page-news .subscribe-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint-400);
  box-shadow: 0 0 0 5px rgba(63, 217, 168, 0.16);
}

.page-news .subscribe-title {
  margin: 0 0 var(--sp-2);
  font-size: clamp(23px, 4.4vw, 36px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-news .subscribe-text {
  margin: 0 0 var(--sp-3);
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(233, 242, 246, 0.82);
}

.page-news .subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-news .subscribe-points {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
  align-content: start;
}

.page-news .subscribe-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-2);
  align-items: start;
  padding: var(--sp-2) var(--sp-3);
  background: rgba(7, 21, 35, 0.55);
  border: 1px solid var(--navy-600);
  border-radius: var(--r-md);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(233, 242, 246, 0.88);
}

.page-news .subscribe-points .u-mono {
  color: var(--orange-500);
  font-weight: 700;
}

/* ---------- 焦点环 ---------- */
.page-news a:focus-visible {
  outline: 2px solid var(--electric-400);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ---------- 悬停展开（仅指针设备） ---------- */
@media (hover: hover) and (min-width: 760px) {
  .page-news .tl-more {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
  }

  .page-news .tl-row:hover .tl-more,
  .page-news .tl-row:focus-within .tl-more {
    max-height: 12em;
    opacity: 1;
    margin-top: var(--sp-2);
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: var(--sp-5) 0;
  }

  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .filter-stamp {
    margin-left: auto;
  }

  .page-news .tl-row__body {
    align-items: start;
  }

  .page-news .tl-row--media .tl-row__body {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: center;
    gap: var(--sp-3);
  }

  .page-news .tl-media--thumb {
    max-width: 100%;
  }

  .page-news .board-item {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--sp-2);
  }

  .page-news .board-item__num {
    text-align: right;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: var(--sp-5);
  }

  .page-news .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-section__head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--sp-4);
  }

  .page-news .timeline {
    gap: var(--sp-3);
  }

  .page-news .tl-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
  }

  .page-news .tl-row--feat .tl-row__body {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: var(--sp-4);
    align-items: start;
  }

  .page-news .series-layout {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    gap: var(--sp-4);
    align-items: start;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-2);
  }

  .page-news .board-layout {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    gap: var(--sp-4);
    align-items: start;
  }

  .page-news .subscribe-card {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
    padding: var(--sp-5);
  }
}

@media (min-width: 1200px) {
  .page-news .filter-bar {
    top: 80px;
  }

  .page-news .tl-row {
    grid-template-columns: 148px minmax(0, 1fr);
  }
}